Oblicz obwód trójkąta równobocznego. bok1, 2x+y bok2, x+y+5 bok3, 2y-2x
Ob = 2x + y + x + y + 5 + 2y - 2x = x + 4y + 5
2x+y+x+y+5+2y-2x=
5+x+4y
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Ob = 2x + y + x + y + 5 + 2y - 2x = x + 4y + 5
2x+y+x+y+5+2y-2x=
5+x+4y